Month bills

months = int(input())
water = 0
internet = 0
elec_total = 0
other_total = 0
total = 0

for i in range(months):
  elec_bill = float(input())
  other = (elec_bill + 20 + 15) * 1.2
  other_total += other
  water += 20
  internet += 15
  elec_total += elec_bill

total += other_total + internet + water + elec_total

print(f"Electricity: {elec_total:.2f} lv")
print(f"Water: {water:.2f} lv")
print(f"Internet: {internet:.2f} lv")
print(f"Other: {other_total:.2f} lv")
print(f"Average: {(total / months):.2f} lv")